import numpy as np

data1 = np.array([1,2,3,4,5])
data2 = np.array([1,2,3,4,5])
data = np.array([data1, data1])

print("改变前:")
print(data)
print(data.shape)

print("改变后:")
data = data.reshape(5,2)
print(data)
print(data.shape)

